Home / 8,403.42-12,596.77-4,015.75

Finding the Fourth Proportional to 8,403.42, 12,596.77 and 4,015.75

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Solution

The fourth proportional to 8,403.42, 12,596.77 and 4,015.75 is: 6,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.42 : 12,596.77 = 4,015.75 : x
  2. Step 2: Convert to fraction form
    8,403.42/12,596.77 = 4,015.75/x
  3. Step 3: Cross multiply
    8,403.42x = 12,596.77 × 4,015.75
  4. Step 4: Simplify right side
    8,403.42x = 50,585,479.13
  5. Step 5: Solve for x
    x = 50,585,479.13/8,403.42
  6. Step 6: Final answer
    x = 6,019.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.